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sertanlavr [38]
3 years ago
12

I really need help with this Can someone help me thx Plsssssss

Mathematics
1 answer:
Leni [432]3 years ago
3 0

Answer:

Do you think you can zoom into the pic?

Step-by-step explanation:

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How do you this question? Please explain.
Nuetrik [128]

Answer:

(C) 2√15

Step-by-step explanation:

Recognize that all the triangles are right triangles, so are similar to each other. In these similar triangles, the ratio of the short side to the long side is the same for all.

... CB/CA = CT/CB

... CB² = CA·CT = 10·6 = 60 . . . . . . . . . . multiply by CA·CB; substitute values

... CB = √60 = 2√15 . . . . . . . take the square root; simplify

_____

<em>Comment on this solution</em>

The altitude to the hypotenuse of a right triangle (CB in this case) divides the hypotenuse into lengths such that the altitude is their geometric mean. That is ...

... CB = √(AC·CT) . . . . as above

This is true for any right triangle — another fact of geometry to put in your list of geometry facts.

3 0
2 years ago
3 equivalent ratios for 1/10
nataly862011 [7]

Answer:

So just as a fraction of 3/30 can be simplified to 1/10, a ratio of 3:30 (or 4:40, 5:50, 6:60 and so on) can be simplified to 1:10.

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Compra mercancía por 2580000 más el IVA del 19%y retefuente del 3,5% u se cancela en efecyivo
Ainat [17]

Answer:

i dont speak or type spanish

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Determine which expression has a greater value -12+6-4 or -34 -3+39
patriot [66]

By looking at it, I can tell the second expression is greater due to a a large postive number that's being added to it. Let's solve.

-12+6=-6-4=-10

-34-3=-37+39=2

So, -34-3+39 is greater.

6 0
3 years ago
Which of the following is a 1. repeating decimal?<br> 1. 14/7<br> 2. 9/6<br> 3. 1/4<br> 4. 5/9
Amanda [17]

Answer:

9/6

Step-by-step explanation:

1/4 is less than 1, so its not 1. 5/9 is also less than 1, so its also not 1. 14 divided by 7 equals 2 so that is not 1. 9/6 is the only option left :)

3 0
2 years ago
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